共 6 条
[1]
BRAFMAN O, 1968, LOCALIZED EXCITATION, P602
[2]
APPLICATION OF A MODIFIED RANDOM-ELEMENT-ISODISPLACEMENT MODEL TO LONG-WAVELENGTH OPTIC PHONONS OF MIXED CRYSTALS
[J].
PHYSICAL REVIEW,
1968, 172 (03)
:924-&
[3]
SPECTRAL GAPS IN 3-DIMENSIONAL DISORDERED LATTICES
[J].
PROGRESS OF THEORETICAL PHYSICS,
1967, 38 (02)
:512-&
[5]
LONG-WAVELENGTH OPTICAL LATTICE VIBRATIONS IN BAYSR1-YF2 AND SRYCA1-YF2
[J].
PHYSICAL REVIEW,
1967, 164 (03)
:1169-&